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Ceph
Upstream Release Cadence
Ceph 스토리지는 일년에 2번의 버전업이 이루어집니다. 각 버전의 코드명은 알파벳 A-Z 순으로 명명됩니다.(안드로이드와 비슷)
LTS(Long Term Support) 버전은 매 2회마다 지정됩니다. Infernalis 버전 이후로 마이너 버전의 규칙도 생겼습니다.
마이너 버전이 0 이면 개발버전이며 1인경우 RC(Release Candidate) 이고 2버전이 안정 배포 버전입니다.
Upstream Ceph Versions
| Release code name | Version | LTS | Release date | Retirement date |
|---|---|---|---|---|
| Argonaut | 0.48.x | July 2012 | retired | |
| Bobtail | 0.56.x | January 2013 | retired | |
| Cuttlefish | 0.61.x | May 2013 | retired | |
| Dumpling | 0.67.x | Yes | August 2013 | May 2015 |
| Emperor | 0.72.x | November 2013 | May 2014 | |
| Firefly | 0.80.x | Yes | May 2014 | December 2015 |
| Giant | 0.87.x | October 2014 | May 2015 | |
| Hammer | 0.94.x | Yes | April 2015 | August 2017 |
| Infernalis | 9.2.x | November 2015 | April 2016 | |
| Jewel | 10.2.x | Yes | April 2016 | June 2018 |
| Kraken | 11.2.x | January 2017 | August 2017 | |
| Luminous | 12.2.x | Yes | August 2017 | |
| Mimic | 13.x.x | ? | In development |
Redhat Ceph Storage Version
Redhat의 Ceph Storage 제품 버전은 Ceph 커뮤니티 버전중 LTS 버전을 기반으로 구성됩니다.
| Release | Upstream code name | Upstream version | General Availability | End of Life |
|---|---|---|---|---|
| Inktank Ceph Enterprise 1.1 | Dumpling | 0.67.x | February 2014 | July 2015 |
| Red Hat Ceph Storage 1.2 | Firefly | 0.80.x | July 2014 | May 2016 |
| Red Hat Ceph Storage 1.3 | Hammer | 0.94.x | June 2015 | June 2018 |
| Red Hat Ceph Storage 2 | Jewel | 10.2.x | August 2016 | August 2019 |
| Red Hat Ceph Storage 3 | Luminous | 12.2.x | December 2017 | December 2020 |
참조링크
하드웨어 요구사항
운영환경 구축을 위한 하드웨어 성능 최소 요구사항
| Hardware | ceph-osd | ceph-mon | ceph-radosgw | ceph-mds |
|---|---|---|---|---|
| Processor | 1x AMD64 or Intel 64 | 1x AMD64 or Intel 64 | 1x AMD64 or Intel 64 | 1x AMD64 or Intel 64 |
| RAM | 16 GB for the host, plus an additional 2 GB of RAM per OSD daemon | 1 GB per daemon | 1 GB per daemon | 1 GB per daemon (but depends heavily on configured MDS cache size) |
| Disk | One storage device per OSD daemon, separate from the system disk | 10 GB per daemon | 5 GB per daemon | 1 MB per daemon, plus space for log files (varies) |
| Network | 2x Gigabit Ethernet NICs | 2x Gigabit Ethernet NICs | 2x Gigabit Ethernet NICs | 2x Gigabit Ethernet NICs |